CVEvulnerability
CVE-2026-53577
6.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-06-26
- Last modified
- 2026-10-25
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-863
Description
Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the previewFileFromExecution endpoint (GET /api/v1/{tenant}/executions/{executionId}/file/preview) contains an access control bypass that allows any authenticated user to read output files from any other execution within the same tenant, bypassing execution-level and namespace-level isolation. This vulnerability is fixed in 1.0.45 and 1.3.21.
Affected configurations
• kestra kestra (< 1.0.45)
• kestra kestra (>= 1.1.0 < 1.3.21)
Related
Weakness · CWE (1)
- CWE-863 Incorrect Authorization weakness
References
- https://github.com/kestra-io/kestra/security/advisories/GHSA-r6v3-xxwj-9h42 Exploit, Mitigation, Vendor Advisory
- https://github.com/kestra-io/kestra/security/advisories/GHSA-r6v3-xxwj-9h42 Exploit, Mitigation, Vendor Advisory